10000K Metal Halide Bulb - German Hamilton, Mogul Base
Information

This German-made Ushio/Hamilton 10000K metal halide bulb offers excellent coloration and intensity. Crisp Ice White appearance, full spectrum - the combination of different wavelengths produce different colors in the spectrum and appear to the naked eye as crisp ice white light. Significantly brighter than U.S. made 10000K bulbs. This bulb has a heavy concentration wavelength spike in the 420 and 460nm (nanometer) range with additional concentration spikes in the 380nm, 550nm and 580nm wavelengths. Tested in Germany—simulates natural daylight as in the ocean at depths up to 13 feet. Longer life—TRUE-10000K Metal Halide has an exceptionally high rated life. Very High Color Rendering Index of 95 CRI. Actinic supplementation may be used to create a bluer look. This bulb will work with a standard magnetic ballast, magnetic pulse-start ballast or electronic ballast. An excellent choice for nano-reefs and other reef tanks up to 18" deep. on how the different Kelvin ratings appear and more information on metal halide bulbs.

Common questions/problems concerning metal halide lamps:

Metal halide lamps of the same kind are different colors?Metal halide lamps operate by passing an electric arc through an arc tube that excites particles in the arc tube. When the metal particles reach an excited state they emit energy in the form of visible light. It takes 100 hours of operation before the metal particles stabilize and become a consistent color. All metal halides require 100 hours of operation before color and light output stabilize. All metal halides inherently have a slight color variation between individual lamps.

The metal halide lamp fires and then either burns dull or the arc extinguishes?Usually the ballast and lamp are not receiving enough power. Metal halides pull a high current. Usually the problem is either there is too great a load on the circuit or the extension cords are of a small wire size and can`t handle the power needed by the ballast. Use only heavy duty extension cords and try running a ballast off a circuit from another part of the house.

Do I need a cover shield between the lamp and the aquarium?Metal halide lamps produce a large amount of UV and also have a potential of exploding. The single ended metal halide lamps have an outer jacket which eliminates most of the UV. However, they have an inherent risk of exploding and UL requires metal halide lamps to be enclosed. On double ended lamps there is no UV shield. Double ended lamps must have a glass shield or major eye injuries including blindness may occur.

Can I operate a ballast and lamp together which are designed for different wattages?Each wattage lamp and ballast are designed together for optimal performance and safety. If you over drive the lamp it may explode and shorten the life of the ballast and lamps. If you under drive the lamp it will also shorten the life of both components and also may explode. Do not mix different type wattages of lamps and ballasts.

NOTE: The bulb should be handled carefully during installation and replacement.

**Please Note** Pulse start type lamps may ignite and work just fine on a probe start ballast for a few months; however, as the lamp ages, the electrodes erode and higher voltage is needed to start the lamp. The open circuit voltage provided by probe start ballasts is not sufficient to ignite a pulse start lamp.

Hamilton Technology Aquarium SuppliesHamilton Technology is the leading manufacturer of high quality aquarium lighting offering customers the widest selection of metal halide, compact fluorescent and VHO lighting available today at the lowest prices. Their mission is to offer state-of-the-art lighting that meets high standards of quality, innovation and value. Hamilton Technology has served the lighting needs of both the professional and the hobbyist aquarist for more than sixteen years and is considered by many to be the choice of experts.

Good Bulb

by
JOSEPH LAIRD

Great

Posted: 5/2/2009 from LOGANVILLE, GA UNITED STATES

4.05

Experience Level:
Expert

Comments:These bulbs are a little more expensive than some bulbs, but in this case you get what you pay for.The color is on the blueish side without any apparent yellow.They can be used without actinic flourescents and still provide a pleasing white blue color to the tank.I cannot say that about any other bulb that I have used with the exception of 20k bulbs, but these will provide better growth especially with clams which 20ks will not sustain for the long term.The only reason I give it a 4 out of 5 is the intensity is good but not great compared with other 400w bulbs that I have used (Aqualine Bushke has the brightest 10k 400w bulb in my opinion).If you want a good, bright and pleasing bulb for the owner as well as the reef inhabitants, especially if you dont want/have actinics, this bulb is for you.

great bulb

by
gull1

Excellent!

Posted: 3/21/2009 from SEMINOLE, FL UNITED STATES

5.05

Experience Level:
Expert

Comments:I have used this bulb in the past and it always has preformed great. Color intensity is the best reflecting great blues and not overpowering whites. Long lasting and perfect for any reef setup.

Excellent for coral growth

by
SEAN

Excellent!

Posted: 1/14/2009 from N. California

5.05

Experience Level:
Expert

Comments:This is the best 10K halide I have used and I have used a lot - XM, Ushio, Coralvue and AB. It appears as a bright, ice white color and is very good for SPS. It has more PAR than XM 10K bulbs and I recommend it you have a reef tank. Great for soft and hard corals.

A Great Bulb

by
mlsund

Excellent!

Posted: 2/18/2008 from BOCA RATON, FL UNITED STATES

5.05

Experience Level:
Intermediate

Comments:This bulb is wonderful,if you don't like yellow light this bulb is for you. In my 24" high 125 gallon reef tank I replaced one of two 175 Watt MH with this bulb. The color is Water white to bluish white not yellow. The colors in my tank are popping.

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